joel16/android_kernel_sony_msm8994_rework
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fix bogus hotplug cpu warning

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Fix bogus DEBUG_PREEMPT warning on x86_64, when cpu brought online after
bootup: current_is_keventd is right to note its use of smp_processor_id
is preempt-safe, but should use raw_smp_processor_id to avoid the warning.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hugh Dickins 2007-08-27 16:06:19 +01:00 committed by Linus Torvalds
parent 721ebe005c
commit d243769d3f
1 changed files with 1 additions and 1 deletions
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kernel/workqueue.c
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@ -635,7 +635,7 @@ int keventd_up(void)
int current_is_keventd(void)
{
struct cpu_workqueue_struct *cwq;
int cpu = smp_processor_id(); /* preempt-safe: keventd is per-cpu */
int cpu = raw_smp_processor_id(); /* preempt-safe: keventd is per-cpu */
int ret = 0;
BUG_ON(!keventd_wq);